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L6591 The STMicroelectronics L6591 is an offline switch IC utilizing a Half-Bridge topology. It is designed for surface mount applications and operates within an 8.7V to 22V voltage range.
Mfr Part #:

L6591

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L6591 is an offline switch IC utilizing a Half-Bridge topology. It is designed for surface mount applications and operates within an 8.7V to 22V voltage range.
✓ Total Stock: 5,377 pcs
$ Price Range: $0.75

L6591 Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
2,800 pcs
On Request
2800 pcs On Request 1 On Request On Request On Request On Request On Request
Chanetech ✓
Non-Authorised Inventory information
2,232 pcs
On Request
2232 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
345 pcs
On Request
345 pcs On Request 1 On Request On Request 1527+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

L6591 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Supplier Device Package
Supplier Package
Topology
Voltage
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L6591 Description

Short technical summary and product information.

The STMicroelectronics L6591 is an integrated circuit designed for offline switching power supply applications. It features a Half-Bridge topology, enabling efficient power conversion.

 

Key electrical characteristics include an operating voltage range of 8.7V to 22V and a switching frequency of up to 500kHz. The device supports a 50% duty cycle and incorporates control features such as frequency control and soft start. Fault protection mechanisms include current limiting and overload protection.

 

This component is housed in a 16-SOIC package and is designed for surface mount installation. The operating temperature range is from -40°C to 150°C (TJ).

 

Compliance information indicates RoHS3 compliance, MSL 1, and REACH unaffected status, though these are noted with low confidence due to lack of verification.

L6591 Quick Information

Product Type: Offline Switch IC
Canonical Name: L6591 Offline Switch IC
Subcategory: Offline Switches

L6591 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

L6591 Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

L6591 Features

  • Half-Bridge topology for offline switching.
  • Operates from 8.7V to 22V.
  • High switching frequency up to 500kHz.
  • Surface mount 16-SOIC package.
  • Includes frequency control and soft start.

L6591 Applications

  • Used in AC-DC power supply designs.
  • Ideal for resonant half-bridge converters.
  • Suitable for industrial power systems.
  • Designed for isolated power applications.

L6591 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the L6591?

8.7V to 22V.

What package is the L6591 available in?

16-SOIC (0.154", 3.90mm Width) surface mount.

What is the operating temperature range of the L6591?

-40°C to 150°C.

What topology does the L6591 use?

Half-bridge.

What is the switching frequency of the L6591?

Up to 500kHz.

What fault protection features does the L6591 have?

Current limiting and overload protection.

What control features does the L6591 include?

Frequency control and soft start.

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